Stock Options - Summary information about options outstanding at March 31, 2014 (Details) (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Number of options outstanding	113,600	80,000	83,750	53,750
Weighted Average Exercise Price Per Share	$ 6.35	$ 6.52	$ 6.42	$ 5.69
Weighted Average Remaining Contract Life in Years	8 years 11 days	8 years 237 days	7 years 121 days
Aggregate Intrinsic Value	$ 154,062		$ 127,363	$ 401,200
Exercise Prices 5.98 - 6.25
Number of options outstanding	45,000
Weighted Average Exercise Price Per Share	$ 6.00
Exercise Prices 6.26 - 6.50
Number of options outstanding	28,600
Weighted Average Exercise Price Per Share	$ 6.29
Exercise Prices 6.51 - 6.80
Number of options outstanding	40,000
Weighted Average Exercise Price Per Share	$ 6.80
Exercise Prices 5.98 - 6.80 total
Number of options outstanding	113,600
Weighted Average Exercise Price Per Share	$ 6.35
Weighted Average Remaining Contract Life in Years	7 years 241 days
Aggregate Intrinsic Value	$ 154,062